ClassID:

120495

C23C22/62 - CPC Classification

Classification description:

Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8 Treatment of iron or alloys based thereon

Recent Application in this class:
#1
20240166968
2024-05-23

ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES AT NON-NEUTRAL PH VALUES FOR METAL COLD FORMING

#2
20230302513
2023-09-28

Rolling die and method for manufacturing same

#3
20230002909
2023-01-05

COATING FOR CORROSION PROTECTION

#4
20220074054
2022-03-10

FOUR-FUNCTION STEEL SURFACE TREATMENT LIQUID AND PREPARATION METHOD THEREOF

#5
20210079230
2021-03-18

INORGANIC PHOSPHATE CERAMICS AND COATINGS

#6
20200378009
2020-12-03

METHOD FOR THE SURFACE MODIFICATION OF AT LEAST ONE COMPONENT AND REACTOR DEVICE FOR CARRYING OUT THE METHOD

#7
20200246921
2020-08-06

COATED WELDING WIRE

#8
20200165731
2020-05-28

Corrosion inhibitor and water conditioning agent

#9
20200109296
2020-04-09

INORGANIC PHOSPHATE CERAMICS AND COATINGS

#10
20190316260
2019-10-17

COATING TREATMENT SOLUTION, METHOD OF PRODUCING THE SAME, AND METHOD OF PRODUCING COATING MATERIAL

#11
20190301024
2019-10-03

Process for the rapid blackening of surgical needles

#12
20190128310
2019-05-02

Rust proofing treatment liquid for threaded part, method for producing rust-proofed threaded part, and rust-proofed threaded part

#13
20190031894
2019-01-31

Inorganic coating solution composition and method of forming inorganic coating film using the same

#14
20180327910
2018-11-15

TREATMENT DEVICE FOR PICKLING AND PHOSPHATING WIRE OR WIRE PARTS, AND TREATMENT METHOD, AND TREATMENT PLANT FOR COATING THE WIRE OR THE WIRE PARTS

#15
20180265992
2018-09-20

Coating carbon steel tubing with iron sulfide

#16
20180237921
2018-08-23

Recontamination mitigation method by carbon steel passivation of nuclear systems and components

#17
20180086898
2018-03-29

Surface treatment agent for metal material, method of producing the same, metal material having a surface treatment coating, and method of producing the same

#18
20180057946
2018-03-01

Conversion coating and method of making

#19
20170370004
2017-12-28

Process for the rapid blackening of surgical needles

#20
20170356090
2017-12-14

COMPOSITION FOR PHOSPHATE FILM OPTIMIZING MN CONTENT AND A METHOD FOR PHOSPHATE TREATMENT OF ZN ELECTRIC-PLATED STEEL SHEET

#21
20170306497
2017-10-26

SYSTEM FOR NICKEL-FREE ZINC PHOSPHATE PRETREATMENT

#22
20170260614
2017-09-14

Method of producing hot-dip Zn alloy-plated steel sheet

#23
20170137947
2017-05-18

PROCESSES AND COMPOSITIONS FOR IMPROVING CORROSION PERFORMANCE OF ZIRCONIUM OXIDE PRETREATED ZINC SURFACES

#24
20170121532
2017-05-04

Inorganic coating solution composition and method of forming inorganic coating film using the same

#25
20170050215
2017-02-23

Processes and compositions for improving corrosion performance of zirconium oxide pretreated zinc surfaces

#26
20160369406
2016-12-22

Galvanized steel sheet and method for producing the same

#27
20160319436
2016-11-03

Inorganic phosphate corrosion resistant coatings

#28
20160289843
2016-10-06

SURFACE-TREATED STEEL SHEET, ORGANIC RESIN-COATED METAL CONTAINER AND PROCESS FOR PRODUCING SURFACE-TREATED STEEL SHEET

#29
20160289841
2016-10-06

Method of manufacturing a steel sheet for containers

#30
20160281201
2016-09-29

HOT-DIP ZN-ALLOY-PLATED STEEL SHEET AND METHOD FOR PRODUCING SAME

#31
20160236236
2016-08-18

Method for manufacturing non-phosphate coated metal material for cold heading-plastic working process

#32
20160215400
2016-07-28

Compositions and methods for inhibiting corrosion in hydrostatic systems

#33
20150376418
2015-12-31

Inorganic phosphate ceramics and coatings

#34
20150307996
2015-10-29

Process and seal coat for improving paint adhesion

#35
20140342180
2014-11-20

Surface-treatment solution for zinc or zinc alloy coated steel sheet and method for manufacturing zinc or zinc alloy coated steel sheet

#36
20140287137
2014-09-25

Method for rust-proofing mold

#37
20130139930
2013-06-06

INORGANIC PHOSPHATE CORROSION RESISTANT COATINGS

#38
20130126050
2013-05-23

INORGANIC PHOSPHATE CORROSION RESISTANT COATINGS

#39
20130078476
2013-03-28

Hydroxyapatite with controllable size and morphology

#40
20120152754
2012-06-21

Process and seal coat for improving paint adhesion

#41
20110308668
2011-12-22

Ferrous metal magnetite coating processes and reagents

#42
20110048090
2011-03-03

Method for coating metal surfaces with a lubricant composition

#43
20110045188
2011-02-24

Method for coating metal surfaces with a wax-containing lubricant composition

#44
20100273015
2010-10-28

Copolymers, method for producing them and their use for treating surfaces

#45
20090304937
2009-12-10

Compositions and Method for Coating Metal Surfaces With an Alkoxysilane Coating

#46
20090208764
2009-08-20

Grain-oriented electrical steel sheet having insulating film not containing chromium and insulating film agent of same

#47
20080118646
2008-05-22

Siloxane oligomer treatment for metals

#48
20080020145
2008-01-24

Method For Depositing Anti-Corrosive Coating Onto Metal Surface

#49
20060088710
2006-04-27

Oil tempered steel wire excellent in coiling workability and method for production thereof

#50
20060049383
2006-03-09

Complex mixtures of ions and processes for deposition

#51
20050287376
2005-12-29

Corrosion protection of zinc surfaces

#52
20050241732
2005-11-03

Method for passivating stainless steel product and method for producing stainless steel separator for fuel cell